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PRECISION 100MM DIAMETER, 175MM FL BI-CONVEX LENS
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Item No: PL1042
Price: $8.00
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| Manufacturer's part #01 LDX 215. Made of grade A fine annealed BK7 glass, with an index of 1.5187 and a design wavelength of 546.1nm. Edge thickness is 3.9mm, center thickness is 18.2mm. Surface quality is pitch polished, 60-40 scratch and dig. Centration is 3 arc minutes. Symmetrical bi-convex lenses are made with the same curve on each side and are used to cancel out coma, distortion and chromatic aberration. |
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